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- Title
Acúmulo, exportação e restituição de nutrientes pelas bananeiras "Prata Anã" e "Grand Naine".
- Authors
Soares, Frederico Antonio Loureiro; Gheyi, Hans Raj; de Oliveira, Fábio Henrique Tavares; Fernandes, Pedro Dantas; Alves, Allan Nunes; da Silva, Francisco Valfisio
- Abstract
The knowledge about the content of nutrients in the harvested part of plants is important to assess the quality of product and the removal of the nutrients from the cultivated area. This research was carried out to evaluate the nutrients exported (rachis of the inflorescence + fruits), and restituted to the soil, in a banana plantation. The study was conducted during the period of June, 2004 to May, 2005, in an Inceptisol, in the municipality of Limoeiro do Norte, Ceará, where two blocks of samplings were planted with 'Grand Naine' and 'Prata Anã' cultivars. Starting from the 30 days after planting, at 45 days interval, plant samples were collected, harvesting four clumps in full competition, chosen at random for analysis. The sequence of nutrients exported by the bunch in case of 'Prata Anã' was K>N>Ca>P>Mg while in Grand Naine cultivar the sequence was of K>Ca>N>P>Mg. At harvest time, in the clumps of cv. Prata Anã were accumulated on an average 2.2 times more nutrients in comparison to mother plant while in the plants of Grand Naine such relation was 1.2 times. Independent of cultivar, the order of the amount of nutrients returned to the soil after the crop removal was K>Ca>N>Mg>P.
- Subjects
PLANT nutrients; PRODUCT quality; BANANAS; PLANTATIONS; PLANTING; CULTIVARS; AGRICULTURE
- Publication
Ciência Rural, 2008, Vol 38, Issue 7, p2054
- ISSN
0103-8478
- Publication type
Article
- DOI
10.1590/S0103-84782008000700042